KoShapeShadowCommand.cpp

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/* This file is part of the KDE project
 * SPDX-FileCopyrightText: 2008 Jan Hambrecht <jaham@gmx.net>
 *
 * SPDX-License-Identifier: LGPL-2.0-or-later
 */
 
#include "KoShapeShadowCommand.h"
#include "KoShape.h"
#include "KoShapeShadow.h"
 
#include <klocalizedstring.h>
 
class Q_DECL_HIDDEN KoShapeShadowCommand::Private
{
public:
    Private() {}
    ~Private() {
        Q_FOREACH (KoShapeShadow* shadow, oldShadows) {
            if (shadow && !shadow->deref())
                delete shadow;
        }
    }
 
    void addOldShadow(KoShapeShadow * oldShadow)
    {
        if (oldShadow)
            oldShadow->ref();
        oldShadows.append(oldShadow);
    }
 
    void addNewShadow(KoShapeShadow * newShadow)
    {
        if (newShadow)
            newShadow->ref();
        newShadows.append(newShadow);
    }
 
    QList<KoShape*> shapes;           
    QList<KoShapeShadow*> oldShadows; 
    QList<KoShapeShadow*> newShadows; 
};
 
KoShapeShadowCommand::KoShapeShadowCommand(const QList<KoShape*> &shapes, KoShapeShadow *shadow,  KUndo2Command *parent)
    : KUndo2Command(parent)
    , d(new Private())
{
    d->shapes = shapes;
    // save old shadows
    Q_FOREACH (KoShape *shape, d->shapes) {
        d->addOldShadow(shape->shadow());
        d->addNewShadow(shadow);
    }
 
    setText(kundo2_i18n("Set Shadow"));
}
 
KoShapeShadowCommand::KoShapeShadowCommand(const QList<KoShape*> &shapes, const QList<KoShapeShadow*> &shadows, KUndo2Command *parent)
    : KUndo2Command(parent)
    , d(new Private())
{
    Q_ASSERT(shapes.count() == shadows.count());
 
    d->shapes = shapes;
 
    // save old shadows
    Q_FOREACH (KoShape *shape, shapes)
        d->addOldShadow(shape->shadow());
    Q_FOREACH (KoShapeShadow * shadow, shadows)
        d->addNewShadow(shadow);
 
    setText(kundo2_i18n("Set Shadow"));
}
 
KoShapeShadowCommand::KoShapeShadowCommand(KoShape* shape, KoShapeShadow *shadow, KUndo2Command *parent)
    : KUndo2Command(parent)
    , d(new Private())
{
    d->shapes.append(shape);
    d->addNewShadow(shadow);
    d->addOldShadow(shape->shadow());
 
    setText(kundo2_i18n("Set Shadow"));
}
 
KoShapeShadowCommand::~KoShapeShadowCommand()
{
    delete d;
}
 
void KoShapeShadowCommand::redo()
{
    KUndo2Command::redo();
    int shapeCount = d->shapes.count();
    for (int i = 0; i < shapeCount; ++i) {
        KoShape *shape = d->shapes[i];
 
        // TODO: implement comparison operator for KoShapeShadow
        //       (or just deprecate it entirely)
        if (shape->shadow() || d->newShadows[i]) {
            const QRectF oldBoundingRect = shape->boundingRect();
            shape->setShadow(d->newShadows[i]);
            shape->updateAbsolute(oldBoundingRect | shape->boundingRect());
        }
    }
}
 
void KoShapeShadowCommand::undo()
{
    KUndo2Command::undo();
    int shapeCount = d->shapes.count();
    for (int i = 0; i < shapeCount; ++i) {
        KoShape *shape = d->shapes[i];
 
        // TODO: implement comparison operator for KoShapeShadow
        //       (or just deprecate it entirely)
        if (shape->shadow() || d->oldShadows[i]) {
            const QRectF oldBoundingRect = shape->boundingRect();
            shape->setShadow(d->oldShadows[i]);
            shape->updateAbsolute(oldBoundingRect | shape->boundingRect());
        }
    }
}